43144324894337 has 2 divisors, whose sum is σ = 43144324894338. Its totient is φ = 43144324894336.

The previous prime is 43144324894309. The next prime is 43144324894351. The reversal of 43144324894337 is 73349842344134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40005106351681 + 3139218542656 = 6324959^2 + 1771784^2 .

It is a cyclic number.

It is not a de Polignac number, because 43144324894337 - 2³² = 43140029927041 is a prime.

It is a super-2 number, since 2×43144324894337² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43144324894367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572162447168 + 21572162447169.

It is an arithmetic number, because the mean of its divisors is an integer number (21572162447169).

Almost surely, 2^{43144324894337} is an apocalyptic number.

It is an amenable number.

43144324894337 is a deficient number, since it is larger than the sum of its proper divisors (1).

43144324894337 is an equidigital number, since it uses as much as digits as its factorization.

43144324894337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 59.

The spelling of 43144324894337 in words is "forty-three trillion, one hundred forty-four billion, three hundred twenty-four million, eight hundred ninety-four thousand, three hundred thirty-seven".